Exposure to toxins, such as lead, may also alter the brain chemistry and function. ... The drug or combination of drugs that work best for you depends on the individual's brain chemistry and constellation of symptoms. ...

• Word Count: 1428
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate

Most scientists now believe that an abnormality in brain chemistry could be to blame for the symptoms of Attention Deficit Disorder. ... Exposure to toxins, such as lead, may also alter the brain chemistry and function. ...

• Word Count: 2456
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate